Re: missing icmp errors for udp packets

From: clemens (therapy@endorphin.org)
Date: Tue Jul 31 2001 - 13:51:01 EST


On Tue, Jul 31, 2001 at 10:33:56PM +0400, kuznet@ms2.inr.ac.ru wrote:
> Hello!
>
> > If you reboot the computer, the _first_ ping/scan attempt will not return
> > icmp dest unreachable.
> Hmm... how fast after reboot?

your patch will not prevent the first ping to empty the token bucket,
because burst is still 0, which is larger than dst->rate_token, and since
XRLIM_BURST_FACTOR times the timeout (which is 6*0=0 in that case) is the
token maximum, it will be truncated to 0, causing the following packets (if
in time) to be dropped.

clemens

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/



This archive was generated by hypermail 2b29 : Tue Jul 31 2001 - 21:00:53 EST